Function setup

examples/Scheduler_example30_THREAD_SAFE/src/main.cpp:237–301

// ============================================

void setup() {
  Serial.begin(115200);
  delay(500);

  Serial.println("\n\n===========================================");
  Serial.println("TaskScheduler Example 30: _TASK_THREAD_SAFE");
  Serial.println("===========================================\n");

  // Initialize LED
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, LOW);

  // Initialize button with pull-up
  pinMode(BUTTON_PIN, INPUT_PULLUP);

  // Create the task request queue
  tsQueue = xQueueCreateStatic(
    TS_QUEUE_LEN,
    sizeof(_task_request_t),
    tsQueueData,
    &tsQueueBuffer
  );

  if (tsQueue == NULL) {
    Serial.println("ERROR: Failed to create task queue!");
    while (1) delay(1000);
  }

  Serial.printf("Task request queue created (size: %d)\n", TS_QUEUE_LEN);

  // Set up button watch task to wait for button press signal
  tButtonWatch.waitFor(&buttonPressed);

  // Attach button interrupt
  attachInterrupt(digitalPinToInterrupt(BUTTON_PIN), buttonISR, FALLING);
  Serial.println("Button interrupt attached (press boot button)");

  // Create timer for periodic ISR (every 7 seconds)
  hw_timer_t* timer = timerBegin(0, 80, true);  // Timer 0, prescaler 80 (1MHz), count up
  timerAttachInterrupt(timer, &timerISR, true);
  timerAlarmWrite(timer, 7000000, true);  // 7 seconds in microseconds, auto-reload
  timerAlarmEnable(timer);
  Serial.println("Hardware timer started (triggers every 7 seconds)");

  // Create worker thread
  xTaskCreate(
    workerThread,
    "WorkerThread",
    4096,
    NULL,
    1,  // Priority
    NULL
  );
  Serial.println("Worker thread created");

  Serial.println("\n--- System initialized ---");
  Serial.println("Expected behavior:");
  Serial.println("1. LED blinks at variable rate");